Difference between müsünuz and misiniz?
It is a matter of 4-way vowel harmony. https://www.duolingo.com/comment/9041808
Ev with the locative, it's all making sense now
Why we use misinuz excepy musunuz?
Ev can translate to home?
Yes, it can be 'house' or 'home'.
Evdeyim = I am in the house. / I am at home.